Service manual

23
A. To adjust, remove the cap covering the
manifold pressure adjustment screw. Turn
the recessed manifold pressure
adjustment screw counterclockwise to
decrease pressure or clockwise to
increase pressure.
THERMOSTAT CALIBRATION
WARNING: DISCONNECT (UNPLUG) ELECTRICAL
POWER SUPPLY AND PLACE A TAG AT THE
DISCONNECT SWITCH INDICATING YOU ARE
WORKING ON THE CIRCUIT.
WARNING: SHUT OFF THE GAS BEFORE
SERVICING.
1. Set the thermostat to BOIL and allow the
temperature to stabilize (at least three
minutes).
2. Place a temperature tester near the tank
probe tubes.
3. The water temperature reading of the
temperature tester should be 225°F ±10°F.
4. If the thermostat needs adjusted, remove the
knob and insert a small flat head screwdriver
into the slotted shaft.
5. Turn the small adjusting screw until the
temperature tester has a reading of 225°F
±10°F. Turn the screw clockwise to increase
temperature and counterclockwise to
decrease temperature . One-quarter turn will
change the temperature by 18°F.
SERVICE PROCEDURES AND ADJUSTMENTS
WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR MEASUREMENTS
WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL TIMES. IF TEST
POINTS ARE NOT EASILY ACCESSIBLE, DISCERN POWER, ATTACH TEST EQUIPMENT AND REAPPLY
POWER TO TEST.
GAS REGULATOR ADJUSTMENT
WARNING: DISCONNECT (UNPLUG) ELECTRICAL
POWER SUPPLY AND PLACE A TAG AT THE
DISCONNECT SWITCH INDICATING YOU ARE
WORKING ON THE CIRCUIT.
WARNING: SHUT OFF THE GAS BEFORE
SERVICING.
Accurate gas pressure adjustments can only be
made with the gas on and the burner lit. If the
incoming line pressure to the valve is less than the
minimum stated, then the pressure cannot be set
correctly.
1. Remove the plug from the bottom port of the
gas valve.
2. Install a hose barb adapter and attach the
manometer tube. Turn the gas supply to the
pasta cooker back on.
3. Connect power.
4. Set the thermostat to BOIL. The burner must
be lit during test and adjustment.
5. Read the manometer. The manifold pressure
reading should match the pressure rating on
the data plate.